统计字符串中每个字符出现的次数（Python）

#统计字符串中每个字符出现的次数 以The quick brown fox jumps over the lazy dog为例

message='The quick brown fox jumps over the lazy dog'
count={}
for character in message:
    count.setdefault(character,0)
    count[character]=count[character]+1

print(count)

参考：《Python编程快速上手--》